Home / 380,749.34-570,523.19-140,532.62

Finding the Fourth Proportional to 380,749.34, 570,523.19 and 140,532.62

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Solution

The fourth proportional to 380,749.34, 570,523.19 and 140,532.62 is: 210,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,749.34 : 570,523.19 = 140,532.62 : x
  2. Step 2: Convert to fraction form
    380,749.34/570,523.19 = 140,532.62/x
  3. Step 3: Cross multiply
    380,749.34x = 570,523.19 × 140,532.62
  4. Step 4: Simplify right side
    380,749.34x = 80,177,115,106.18
  5. Step 5: Solve for x
    x = 80,177,115,106.18/380,749.34
  6. Step 6: Final answer
    x = 210,577.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.